Health and Lifestyle Flashcards
Name the four internal organs that help digest and excrete food.
Stomach, Small intestines, Large intestines, rectum.
How do we test for glucose?
Add Benedict’s reagent. Turns from blue to brick red.
Why should pregnant women not drink alcohol?
Alcohol can cross the placenta causing deformations or stillbirth.
What is the function of villi?
Absorb nutrients from food
How are villi adapted to absorb nutrients faster?
Large surface area, contain capillaries.
What is a drug?
A chemical that affects the way your body works.
How do we test for protein?
Add Biuret’s Solution, turns from colourless to purple.
How do we test for starch in food?
Add iodine. Iodine turns from orange to black.
Where are the largest numbers of villi found?
Small intestine.
How do we test for fat?
Add ethanol, turns from clear to cloudy.
or
Rub on filter paper, and the paper goes clear.
